after studying law he dedicated himself to apartheid. a system imposed on the black african. nelson mandela was arrested in sentenced to life in prison. he spent 28 years behind bars, mostly in a tiny cell on robin island near cape town. nelson mandela's brutal imprisonment led to tuberculosis and damaged eye sight. his fame grew and the world clamoured for the release of a man the symbol of the civil rights movement. finally he walked out of prison. four years later he was elected south africa's first president. let's examine the man behind the status. our first guest had a strong connection. his grandfather taught mandela and his grandmother visited the south african leader in prison. it's a pleasure to have you here. i know you are the headmaster of the groten school. i'm glad you took time on what must be a hard day, given the family connections you had and you know him yourself. >> thank you for having me, i'm honoured to be here and i thank groten school for allowing me to be here. the man would have loved that. >> tell me about your family and connections to nelson man